package day5;

import java.util.ArrayList;

public class Demo2 {

    public static void main(String[] args) {
        int i1 = 2;

        ArrayList<Integer> list = new ArrayList<>();

        test(i1);

        test2(list);

        String str =  "ABC";

        char[] ca = {'A','B','C'};



        for (int i = 0; i < ca.length; i++) {

        }
    }

    public static void test3(String str2){
        str2 =  "ABCD";

        char[] ca2 = {'A','B','C','D'};
    }
    public static void test2(ArrayList<Integer> list){


    }

    public static void test(int i2){
        int j = 1;
        i2 = 5;

    }


}
